929a329472
2003-12-06 Michael Koch <konqueror@gmx.de> * javax/naming/directory/Attribute.java, javax/naming/directory/Attributes.java, javax/naming/directory/DirContext.java, javax/naming/directory/InitialDirContext.java, javax/naming/directory/SearchResult.java, javax/naming/event/EventContext.java, javax/naming/event/NamingEvent.java, javax/naming/event/NamingExceptionEvent.java, javax/naming/ldap/ControlFactory.java, javax/naming/ldap/ExtendedRequest.java, javax/naming/ldap/HasControls.java, javax/naming/ldap/InitialLdapContext.java, javax/naming/ldap/LdapContext.java, javax/naming/ldap/LdapReferralException.java, javax/naming/ldap/UnsolicitedNotification.java, javax/naming/ldap/UnsolicitedNotificationListener.java, javax/naming/spi/DirObjectFactory.java, javax/naming/spi/DirStateFactory.java, javax/naming/spi/DirectoryManager.java, javax/naming/spi/NamingManager.java, javax/naming/spi/ObjectFactoryBuilder.java, javax/naming/spi/ResolveResult.java, javax/naming/spi/Resolver.java, javax/naming/spi/StateFactory.java: Import used classes explicitely. From-SVN: r74362
398 lines
11 KiB
Java
398 lines
11 KiB
Java
/* NamingManager.java --
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Copyright (C) 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.naming.spi;
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import java.util.Enumeration;
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import java.util.Hashtable;
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import java.util.StringTokenizer;
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import javax.naming.CannotProceedException;
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import javax.naming.Context;
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import javax.naming.Name;
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import javax.naming.NamingException;
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import javax.naming.NoInitialContextException;
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import javax.naming.RefAddr;
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import javax.naming.Reference;
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import javax.naming.Referenceable;
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import javax.naming.StringRefAddr;
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public class NamingManager
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{
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public static final String CPE = "java.naming.spi.CannotProceedException";
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private static InitialContextFactoryBuilder icfb = null;
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// Package private so DirectoryManager can access it.
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static ObjectFactoryBuilder ofb = null;
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// This class cannot be instantiated.
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NamingManager ()
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{
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}
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public static boolean hasInitialContextFactoryBuilder ()
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{
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return icfb != null;
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}
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public static Context getInitialContext (Hashtable environment)
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throws NamingException
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{
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InitialContextFactory icf = null;
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if (icfb != null)
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icf = icfb.createInitialContextFactory(environment);
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else
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{
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String java_naming_factory_initial = null;
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if (environment != null)
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java_naming_factory_initial
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= (String) environment.get (Context.INITIAL_CONTEXT_FACTORY);
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if (java_naming_factory_initial == null)
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java_naming_factory_initial =
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System.getProperty (Context.INITIAL_CONTEXT_FACTORY);
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if (java_naming_factory_initial == null)
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throw new
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NoInitialContextException ("Can't find property: "
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+ Context.INITIAL_CONTEXT_FACTORY);
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try
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{
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icf = (InitialContextFactory)Class.forName
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(java_naming_factory_initial, true,
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Thread.currentThread().getContextClassLoader())
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.newInstance ();
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}
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catch (Exception exception)
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{
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NoInitialContextException e
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= new NoInitialContextException
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("Can't load InitialContextFactory class: "
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+ java_naming_factory_initial);
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e.setRootCause(exception);
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throw e;
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}
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}
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return icf.getInitialContext (environment);
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}
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static Context getURLContext (Object refInfo,
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Name name,
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Context nameCtx,
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String scheme,
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Hashtable environment)
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throws NamingException
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{
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String prefixes = null;
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if (environment != null)
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prefixes = (String) environment.get (Context.URL_PKG_PREFIXES);
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if (prefixes == null)
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prefixes = System.getProperty (Context.URL_PKG_PREFIXES);
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if (prefixes == null)
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{
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// Specified as the default in the docs. Unclear if this is
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// right for us.
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prefixes = "com.sun.jndi.url";
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}
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scheme = scheme + "." + scheme + "URLContextFactory";
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StringTokenizer tokens = new StringTokenizer (prefixes, ":");
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while (tokens.hasMoreTokens ())
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{
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String aTry = tokens.nextToken ();
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try
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{
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Class factoryClass = Class.forName (aTry + "." + scheme,
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true,
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Thread.currentThread().getContextClassLoader());
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ObjectFactory factory =
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(ObjectFactory) factoryClass.newInstance ();
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Object obj = factory.getObjectInstance (refInfo, name,
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nameCtx, environment);
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Context ctx = (Context) obj;
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if (ctx != null)
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return ctx;
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}
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catch (ClassNotFoundException _1)
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{
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// Ignore it.
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}
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catch (ClassCastException _2)
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{
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// This means that the class we found was not an
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// ObjectFactory or that the factory returned something
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// which was not a Context.
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}
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catch (InstantiationException _3)
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{
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// If we couldn't instantiate the factory we might get
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// this.
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}
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catch (IllegalAccessException _4)
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{
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// Another possibility when instantiating.
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}
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catch (NamingException _5)
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{
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throw _5;
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}
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catch (Exception _6)
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{
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// Anything from getObjectInstance.
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}
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}
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return null;
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}
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public static Context getURLContext (String scheme,
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Hashtable environment)
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throws NamingException
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{
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return getURLContext (null, null, null, scheme, environment);
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}
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public static void setObjectFactoryBuilder (ObjectFactoryBuilder builder)
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throws NamingException
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{
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SecurityManager sm = System.getSecurityManager ();
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if (sm != null)
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sm.checkSetFactory ();
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// Once the builder is installed it cannot be replaced.
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if (ofb != null)
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throw new IllegalStateException ("builder already installed");
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if (builder != null)
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ofb = builder;
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}
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static StringTokenizer getPlusPath (String property, Hashtable env,
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Context nameCtx)
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throws NamingException
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{
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String path = (String) env.get (property);
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if (nameCtx == null)
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nameCtx = getInitialContext (env);
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String path2 = (String) nameCtx.getEnvironment ().get (property);
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if (path == null)
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path = path2;
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else if (path2 != null)
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path += ":" + path2;
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return new StringTokenizer (path != null ? path : "", ":");
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}
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public static Object getObjectInstance (Object refInfo,
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Name name,
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Context nameCtx,
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Hashtable environment)
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throws Exception
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{
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ObjectFactory factory = null;
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if (ofb != null)
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factory = ofb.createObjectFactory (refInfo, environment);
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else
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{
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// First see if we have a Reference or a Referenceable. If so
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// we do some special processing.
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Object ref2 = refInfo;
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if (refInfo instanceof Referenceable)
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ref2 = ((Referenceable) refInfo).getReference ();
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if (ref2 instanceof Reference)
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{
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Reference ref = (Reference) ref2;
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// If we have a factory class name then we use that.
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String fClass = ref.getFactoryClassName ();
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if (fClass != null)
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{
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// Exceptions here are passed to the caller.
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Class k = Class.forName (fClass,
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true,
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Thread.currentThread().getContextClassLoader());
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factory = (ObjectFactory) k.newInstance ();
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}
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else
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{
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// There's no factory class name. If the address is a
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// StringRefAddr with address type `URL', then we try
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// the URL's context factory.
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Enumeration e = ref.getAll ();
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while (e.hasMoreElements ())
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{
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RefAddr ra = (RefAddr) e.nextElement ();
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if (ra instanceof StringRefAddr
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&& "URL".equals (ra.getType ()))
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{
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factory
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= (ObjectFactory) getURLContext (refInfo,
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name,
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nameCtx,
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(String) ra.getContent (),
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environment);
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Object obj = factory.getObjectInstance (refInfo,
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name,
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nameCtx,
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environment);
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if (obj != null)
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return obj;
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}
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}
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// Have to try the next step.
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factory = null;
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}
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}
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// Now look at OBJECT_FACTORIES to find the factory.
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if (factory == null)
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{
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StringTokenizer tokens = getPlusPath (Context.OBJECT_FACTORIES,
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environment, nameCtx);
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while (tokens.hasMoreTokens ())
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{
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String klassName = tokens.nextToken ();
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Class k = Class.forName (klassName,
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true,
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Thread.currentThread().getContextClassLoader());
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factory = (ObjectFactory) k.newInstance ();
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Object obj = factory.getObjectInstance (refInfo, name,
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nameCtx, environment);
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if (obj != null)
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return obj;
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}
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// Failure.
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return refInfo;
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}
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}
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if (factory == null)
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return refInfo;
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Object obj = factory.getObjectInstance (refInfo, name,
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nameCtx, environment);
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return obj == null ? refInfo : obj;
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}
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public static void setInitialContextFactoryBuilder (InitialContextFactoryBuilder builder)
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throws NamingException
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{
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SecurityManager sm = System.getSecurityManager ();
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if (sm != null)
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sm.checkSetFactory ();
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// Once the builder is installed it cannot be replaced.
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if (icfb != null)
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throw new IllegalStateException ("builder already installed");
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if (builder != null)
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icfb = builder;
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}
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public static Context getContinuationContext (CannotProceedException cpe)
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throws NamingException
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{
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Hashtable env = cpe.getEnvironment ();
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if (env != null)
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env.put (CPE, cpe);
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// It is really unclear to me if this is right.
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try
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{
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Object obj = getObjectInstance (cpe.getResolvedObj(),
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cpe.getAltName (),
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cpe.getAltNameCtx (),
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env);
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if (obj != null)
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return (Context) obj;
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}
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catch (Exception _)
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{
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}
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// fix stack trace for re-thrown exception (message confusing otherwise)
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cpe.fillInStackTrace();
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throw cpe;
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}
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public static Object getStateToBind (Object obj, Name name,
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Context nameCtx, Hashtable environment)
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throws NamingException
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{
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StringTokenizer tokens = getPlusPath (Context.STATE_FACTORIES,
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environment, nameCtx);
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while (tokens.hasMoreTokens ())
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{
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String klassName = tokens.nextToken ();
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try
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{
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Class k = Class.forName (klassName,
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true,
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Thread.currentThread().getContextClassLoader());
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StateFactory factory = (StateFactory) k.newInstance ();
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Object o = factory.getStateToBind (obj, name, nameCtx,
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environment);
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if (o != null)
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return o;
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}
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catch (ClassNotFoundException _1)
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{
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// Ignore it.
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}
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catch (ClassCastException _2)
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{
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// This means that the class we found was not an
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// ObjectFactory or that the factory returned something
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// which was not a Context.
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}
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catch (InstantiationException _3)
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{
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// If we couldn't instantiate the factory we might get
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// this.
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}
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catch (IllegalAccessException _4)
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{
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// Another possibility when instantiating.
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}
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}
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return obj;
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}
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}
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